wp/wp-content/themes/twentyfourteen/js/slider.js
changeset 8 c7c34916027a
parent 7 cf61fcea0001
child 9 177826044cd9
--- a/wp/wp-content/themes/twentyfourteen/js/slider.js	Mon Oct 14 17:39:30 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,598 +0,0 @@
-/*
- * Twenty Fourteen Featured Content Slider
- *
- * Adapted from FlexSlider v2.2.0, copyright 2012 WooThemes
- * @link http://www.woothemes.com/flexslider/
- */
-/* global DocumentTouch:true,setImmediate:true,featuredSliderDefaults:true,MSGesture:true */
-( function( $ ) {
-	// FeaturedSlider: object instance.
-	$.featuredslider = function( el, options ) {
-		var slider = $( el ),
-			msGesture = window.navigator && window.navigator.msPointerEnabled && window.MSGesture,
-			touch = ( ( 'ontouchstart' in window ) || msGesture || window.DocumentTouch && document instanceof DocumentTouch ), // MSFT specific.
-			eventType = 'click touchend MSPointerUp',
-			watchedEvent = '',
-			watchedEventClearTimer,
-			methods = {},
-			namespace;
-
-		// Make variables public.
-		slider.vars = $.extend( {}, $.featuredslider.defaults, options );
-
-		namespace = slider.vars.namespace,
-
-		// Store a reference to the slider object.
-		$.data( el, 'featuredslider', slider );
-
-		// Private slider methods.
-		methods = {
-			init: function() {
-				slider.animating = false;
-				slider.currentSlide = 0;
-				slider.animatingTo = slider.currentSlide;
-				slider.atEnd = ( slider.currentSlide === 0 || slider.currentSlide === slider.last );
-				slider.containerSelector = slider.vars.selector.substr( 0, slider.vars.selector.search( ' ' ) );
-				slider.slides = $( slider.vars.selector, slider );
-				slider.container = $( slider.containerSelector, slider );
-				slider.count = slider.slides.length;
-				slider.prop = 'marginLeft';
-				slider.isRtl = $( 'body' ).hasClass( 'rtl' );
-				slider.args = {};
-				// TOUCH
-				slider.transitions = ( function() {
-					var obj = document.createElement( 'div' ),
-						props = ['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'],
-						i;
-
-					for ( i in props ) {
-						if ( obj.style[ props[i] ] !== undefined ) {
-							slider.pfx = props[i].replace( 'Perspective', '' ).toLowerCase();
-							slider.prop = '-' + slider.pfx + '-transform';
-							return true;
-						}
-					}
-					return false;
-				}() );
-				// CONTROLSCONTAINER
-				if ( slider.vars.controlsContainer !== '' ) {
-					slider.controlsContainer = $( slider.vars.controlsContainer ).length > 0 && $( slider.vars.controlsContainer );
-				}
-
-				slider.doMath();
-
-				// INIT
-				slider.setup( 'init' );
-
-				// CONTROLNAV
-				methods.controlNav.setup();
-
-				// DIRECTIONNAV
-				methods.directionNav.setup();
-
-				// KEYBOARD
-				if ( $( slider.containerSelector ).length === 1 ) {
-					$( document ).bind( 'keyup', function( event ) {
-						var keycode = event.keyCode,
-							target = false;
-						if ( ! slider.animating && ( keycode === 39 || keycode === 37 ) ) {
-							if ( keycode === 39 ) {
-								target = slider.getTarget( 'next' );
-							} else if ( keycode === 37 ) {
-								target = slider.getTarget( 'prev' );
-							}
-
-							slider.featureAnimate( target );
-						}
-					} );
-				}
-
-				// TOUCH
-				if ( touch ) {
-					methods.touch();
-				}
-
-				$( window ).bind( 'resize orientationchange focus', methods.resize );
-
-				slider.find( 'img' ).attr( 'draggable', 'false' );
-			},
-
-			controlNav: {
-				setup: function() {
-					methods.controlNav.setupPaging();
-				},
-				setupPaging: function() {
-					var type = 'control-paging',
-						j = 1,
-						item,
-						slide,
-						i;
-
-					slider.controlNavScaffold = $( '<ol class="' + namespace + 'control-nav ' + namespace + type + '"></ol>' );
-
-					if ( slider.pagingCount > 1 ) {
-						for ( i = 0; i < slider.pagingCount; i++ ) {
-							slide = slider.slides.eq( i );
-							item = '<a>' + j + '</a>';
-							slider.controlNavScaffold.append( '<li>' + item + '</li>' );
-							j++;
-						}
-					}
-
-					// CONTROLSCONTAINER
-					( slider.controlsContainer ) ? $( slider.controlsContainer ).append( slider.controlNavScaffold ) : slider.append( slider.controlNavScaffold );
-					methods.controlNav.set();
-
-					methods.controlNav.active();
-
-					slider.controlNavScaffold.delegate( 'a, img', eventType, function( event ) {
-						event.preventDefault();
-
-						if ( watchedEvent === '' || watchedEvent === event.type ) {
-							var $this = $( this ),
-								target = slider.controlNav.index( $this );
-
-							if ( ! $this.hasClass( namespace + 'active' ) ) {
-								slider.direction = ( target > slider.currentSlide ) ? 'next' : 'prev';
-								slider.featureAnimate( target );
-							}
-						}
-
-						// Set up flags to prevent event duplication.
-						if ( watchedEvent === '' ) {
-							watchedEvent = event.type;
-						}
-
-						methods.setToClearWatchedEvent();
-					} );
-				},
-				set: function() {
-					var selector = 'a';
-					slider.controlNav = $( '.' + namespace + 'control-nav li ' + selector, ( slider.controlsContainer ) ? slider.controlsContainer : slider );
-				},
-				active: function() {
-					slider.controlNav.removeClass( namespace + 'active' ).eq( slider.animatingTo ).addClass( namespace + 'active' );
-				},
-				update: function( action, pos ) {
-					if ( slider.pagingCount > 1 && action === 'add' ) {
-						slider.controlNavScaffold.append( $( '<li><a>' + slider.count + '</a></li>' ) );
-					} else if ( slider.pagingCount === 1 ) {
-						slider.controlNavScaffold.find( 'li' ).remove();
-					} else {
-						slider.controlNav.eq( pos ).closest( 'li' ).remove();
-					}
-					methods.controlNav.set();
-					( slider.pagingCount > 1 && slider.pagingCount !== slider.controlNav.length ) ? slider.update( pos, action ) : methods.controlNav.active();
-				}
-			},
-
-			directionNav: {
-				setup: function() {
-					var directionNavScaffold = $( '<ul class="' + namespace + 'direction-nav"><li><a class="' + namespace + 'prev" href="#">' + slider.vars.prevText + '</a></li><li><a class="' + namespace + 'next" href="#">' + slider.vars.nextText + '</a></li></ul>' );
-
-					// CONTROLSCONTAINER
-					if ( slider.controlsContainer ) {
-						$( slider.controlsContainer ).append( directionNavScaffold );
-						slider.directionNav = $( '.' + namespace + 'direction-nav li a', slider.controlsContainer );
-					} else {
-						slider.append( directionNavScaffold );
-						slider.directionNav = $( '.' + namespace + 'direction-nav li a', slider );
-					}
-
-					methods.directionNav.update();
-
-					slider.directionNav.bind( eventType, function( event ) {
-						event.preventDefault();
-						var target;
-
-						if ( watchedEvent === '' || watchedEvent === event.type ) {
-							target = ( $( this ).hasClass( namespace + 'next' ) ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
-							slider.featureAnimate( target );
-						}
-
-						// Set up flags to prevent event duplication.
-						if ( watchedEvent === '' ) {
-							watchedEvent = event.type;
-						}
-
-						methods.setToClearWatchedEvent();
-					} );
-				},
-				update: function() {
-					var disabledClass = namespace + 'disabled';
-					if ( slider.pagingCount === 1 ) {
-						slider.directionNav.addClass( disabledClass ).attr( 'tabindex', '-1' );
-					} else {
-						slider.directionNav.removeClass( disabledClass ).removeAttr( 'tabindex' );
-					}
-				}
-			},
-
-			touch: function() {
-				var startX,
-					startY,
-					offset,
-					cwidth,
-					dx,
-					startT,
-					scrolling = false,
-					localX = 0,
-					localY = 0,
-					accDx = 0;
-
-				if ( ! msGesture ) {
-					el.addEventListener( 'touchstart', onTouchStart, false );
-				} else {
-					el.style.msTouchAction = 'none';
-					el._gesture = new MSGesture(); // MSFT specific.
-					el._gesture.target = el;
-					el.addEventListener( 'MSPointerDown', onMSPointerDown, false );
-					el._slider = slider;
-					el.addEventListener( 'MSGestureChange', onMSGestureChange, false );
-					el.addEventListener( 'MSGestureEnd', onMSGestureEnd, false );
-				}
-
-				function onTouchStart( e ) {
-					if ( slider.animating ) {
-						e.preventDefault();
-					} else if ( ( window.navigator.msPointerEnabled ) || e.touches.length === 1 ) {
-						cwidth = slider.w;
-						startT = Number( new Date() );
-
-						// Local vars for X and Y points.
-						localX = e.touches[0].pageX;
-						localY = e.touches[0].pageY;
-
-						offset = ( slider.currentSlide + slider.cloneOffset ) * cwidth;
-						if ( slider.animatingTo === slider.last && slider.direction !== 'next' ) {
-							offset = 0;
-						}
-
-						startX = localX;
-						startY = localY;
-
-						el.addEventListener( 'touchmove', onTouchMove, false );
-						el.addEventListener( 'touchend', onTouchEnd, false );
-					}
-				}
-
-				function onTouchMove( e ) {
-					// Local vars for X and Y points.
-					localX = e.touches[0].pageX;
-					localY = e.touches[0].pageY;
-
-					dx = startX - localX;
-					scrolling = Math.abs( dx ) < Math.abs( localY - startY );
-
-					if ( ! scrolling ) {
-						e.preventDefault();
-						if ( slider.transitions ) {
-							slider.setProps( offset + dx, 'setTouch' );
-						}
-					}
-				}
-
-				function onTouchEnd() {
-					// Finish the touch by undoing the touch session.
-					el.removeEventListener( 'touchmove', onTouchMove, false );
-
-					if ( slider.animatingTo === slider.currentSlide && ! scrolling && dx !== null ) {
-						var updateDx = dx,
-							target = ( updateDx > 0 ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
-
-						slider.featureAnimate( target );
-					}
-					el.removeEventListener( 'touchend', onTouchEnd, false );
-
-					startX = null;
-					startY = null;
-					dx = null;
-					offset = null;
-				}
-
-				function onMSPointerDown( e ) {
-					e.stopPropagation();
-					if ( slider.animating ) {
-						e.preventDefault();
-					} else {
-						el._gesture.addPointer( e.pointerId );
-						accDx = 0;
-						cwidth = slider.w;
-						startT = Number( new Date() );
-						offset = ( slider.currentSlide + slider.cloneOffset ) * cwidth;
-						if ( slider.animatingTo === slider.last && slider.direction !== 'next' ) {
-							offset = 0;
-						}
-					}
-				}
-
-				function onMSGestureChange( e ) {
-					e.stopPropagation();
-					var slider = e.target._slider,
-						transX,
-						transY;
-					if ( ! slider ) {
-						return;
-					}
-
-					transX = -e.translationX,
-					transY = -e.translationY;
-
-					// Accumulate translations.
-					accDx = accDx + transX;
-					dx = accDx;
-					scrolling = Math.abs( accDx ) < Math.abs( -transY );
-
-					if ( e.detail === e.MSGESTURE_FLAG_INERTIA ) {
-						setImmediate( function () { // MSFT specific.
-							el._gesture.stop();
-						} );
-
-						return;
-					}
-
-					if ( ! scrolling || Number( new Date() ) - startT > 500 ) {
-						e.preventDefault();
-						if ( slider.transitions ) {
-							slider.setProps( offset + dx, 'setTouch' );
-						}
-					}
-				}
-
-				function onMSGestureEnd( e ) {
-					e.stopPropagation();
-					var slider = e.target._slider,
-						updateDx,
-						target;
-					if ( ! slider ) {
-						return;
-					}
-
-					if ( slider.animatingTo === slider.currentSlide && ! scrolling && dx !== null ) {
-						updateDx = dx,
-						target = ( updateDx > 0 ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
-
-						slider.featureAnimate( target );
-					}
-
-					startX = null;
-					startY = null;
-					dx = null;
-					offset = null;
-					accDx = 0;
-				}
-			},
-
-			resize: function() {
-				if ( ! slider.animating && slider.is( ':visible' ) ) {
-					slider.doMath();
-
-					// SMOOTH HEIGHT
-					methods.smoothHeight();
-					slider.newSlides.width( slider.computedW );
-					slider.setProps( slider.computedW, 'setTotal' );
-				}
-			},
-
-			smoothHeight: function( dur ) {
-				var $obj = slider.viewport;
-				( dur ) ? $obj.animate( { 'height': slider.slides.eq( slider.animatingTo ).height() }, dur ) : $obj.height( slider.slides.eq( slider.animatingTo ).height() );
-			},
-
-			setToClearWatchedEvent: function() {
-				clearTimeout( watchedEventClearTimer );
-				watchedEventClearTimer = setTimeout( function() {
-					watchedEvent = '';
-				}, 3000 );
-			}
-		};
-
-		// Public methods.
-		slider.featureAnimate = function( target ) {
-			if ( target !== slider.currentSlide ) {
-				slider.direction = ( target > slider.currentSlide ) ? 'next' : 'prev';
-			}
-
-			if ( ! slider.animating && slider.is( ':visible' ) ) {
-				slider.animating = true;
-				slider.animatingTo = target;
-
-				// CONTROLNAV
-				methods.controlNav.active();
-
-				slider.slides.removeClass( namespace + 'active-slide' ).eq( target ).addClass( namespace + 'active-slide' );
-
-				slider.atEnd = target === 0 || target === slider.last;
-
-				// DIRECTIONNAV
-				methods.directionNav.update();
-
-				var dimension = slider.computedW,
-					slideString;
-
-				if ( slider.currentSlide === 0 && target === slider.count - 1 && slider.direction !== 'next' ) {
-					slideString = 0;
-				} else if ( slider.currentSlide === slider.last && target === 0 && slider.direction !== 'prev' ) {
-					slideString = ( slider.count + 1 ) * dimension;
-				} else {
-					slideString = ( target + slider.cloneOffset ) * dimension;
-				}
-				slider.setProps( slideString, '', slider.vars.animationSpeed );
-				if ( slider.transitions ) {
-					if ( ! slider.atEnd ) {
-						slider.animating = false;
-						slider.currentSlide = slider.animatingTo;
-					}
-					slider.container.unbind( 'webkitTransitionEnd transitionend' );
-					slider.container.bind( 'webkitTransitionEnd transitionend', function() {
-						slider.wrapup( dimension );
-					} );
-				} else {
-					slider.container.animate( slider.args, slider.vars.animationSpeed, 'swing', function() {
-						slider.wrapup( dimension );
-					} );
-				}
-
-				// SMOOTH HEIGHT
-				methods.smoothHeight( slider.vars.animationSpeed );
-			}
-		};
-
-		slider.wrapup = function( dimension ) {
-			if ( slider.currentSlide === 0 && slider.animatingTo === slider.last ) {
-				slider.setProps( dimension, 'jumpEnd' );
-			} else if ( slider.currentSlide === slider.last && slider.animatingTo === 0 ) {
-				slider.setProps( dimension, 'jumpStart' );
-			}
-			slider.animating = false;
-			slider.currentSlide = slider.animatingTo;
-		};
-
-		slider.getTarget = function( dir ) {
-			slider.direction = dir;
-
-			// Swap for RTL.
-			if ( slider.isRtl ) {
-				dir = 'next' === dir ? 'prev' : 'next';
-			}
-
-			if ( dir === 'next' ) {
-				return ( slider.currentSlide === slider.last ) ? 0 : slider.currentSlide + 1;
-			} else {
-				return ( slider.currentSlide === 0 ) ? slider.last : slider.currentSlide - 1;
-			}
-		};
-
-		slider.setProps = function( pos, special, dur ) {
-			var target = ( function() {
-				var posCalc = ( function() {
-						switch ( special ) {
-							case 'setTotal': return ( slider.currentSlide + slider.cloneOffset ) * pos;
-							case 'setTouch': return pos;
-							case 'jumpEnd': return slider.count * pos;
-							case 'jumpStart': return pos;
-							default: return pos;
-						}
-					}() );
-
-					return ( posCalc * -1 ) + 'px';
-				}() );
-
-			if ( slider.transitions ) {
-				target = 'translate3d(' + target + ',0,0 )';
-				dur = ( dur !== undefined ) ? ( dur / 1000 ) + 's' : '0s';
-				slider.container.css( '-' + slider.pfx + '-transition-duration', dur );
-			}
-
-			slider.args[slider.prop] = target;
-			if ( slider.transitions || dur === undefined ) {
-				slider.container.css( slider.args );
-			}
-		};
-
-		slider.setup = function( type ) {
-			var sliderOffset;
-
-			if ( type === 'init' ) {
-				slider.viewport = $( '<div class="' + namespace + 'viewport"></div>' ).css( { 'overflow': 'hidden', 'position': 'relative' } ).appendTo( slider ).append( slider.container );
-				slider.cloneCount = 0;
-				slider.cloneOffset = 0;
-			}
-			slider.cloneCount = 2;
-			slider.cloneOffset = 1;
-			// Clear out old clones.
-			if ( type !== 'init' ) {
-				slider.container.find( '.clone' ).remove();
-			}
-
-			slider.container.append( slider.slides.first().clone().addClass( 'clone' ).attr( 'aria-hidden', 'true' ) ).prepend( slider.slides.last().clone().addClass( 'clone' ).attr( 'aria-hidden', 'true' ) );
-			slider.newSlides = $( slider.vars.selector, slider );
-
-			sliderOffset = slider.currentSlide + slider.cloneOffset;
-			slider.container.width( ( slider.count + slider.cloneCount ) * 200 + '%' );
-			slider.setProps( sliderOffset * slider.computedW, 'init' );
-			setTimeout( function() {
-				slider.doMath();
-				slider.newSlides.css( { 'width': slider.computedW, 'float': 'left', 'display': 'block' } );
-				// SMOOTH HEIGHT
-				methods.smoothHeight();
-			}, ( type === 'init' ) ? 100 : 0 );
-
-			slider.slides.removeClass( namespace + 'active-slide' ).eq( slider.currentSlide ).addClass( namespace + 'active-slide' );
-		};
-
-		slider.doMath = function() {
-			var slide = slider.slides.first();
-
-			slider.w = ( slider.viewport === undefined ) ? slider.width() : slider.viewport.width();
-			slider.h = slide.height();
-			slider.boxPadding = slide.outerWidth() - slide.width();
-
-			slider.itemW = slider.w;
-			slider.pagingCount = slider.count;
-			slider.last = slider.count - 1;
-			slider.computedW = slider.itemW - slider.boxPadding;
-		};
-
-		slider.update = function( pos, action ) {
-			slider.doMath();
-
-			// Update currentSlide and slider.animatingTo if necessary.
-			if ( pos < slider.currentSlide ) {
-				slider.currentSlide += 1;
-			} else if ( pos <= slider.currentSlide && pos !== 0 ) {
-				slider.currentSlide -= 1;
-			}
-			slider.animatingTo = slider.currentSlide;
-
-			// Update controlNav.
-			if ( action === 'add' || slider.pagingCount > slider.controlNav.length ) {
-				methods.controlNav.update( 'add' );
-			} else if ( action === 'remove' || slider.pagingCount < slider.controlNav.length ) {
-				if ( slider.currentSlide > slider.last ) {
-					slider.currentSlide -= 1;
-					slider.animatingTo -= 1;
-				}
-				methods.controlNav.update( 'remove', slider.last );
-			}
-			// Update directionNav.
-			methods.directionNav.update();
-		};
-
-		// FeaturedSlider: initialize.
-		methods.init();
-	};
-
-	// Default settings.
-	$.featuredslider.defaults = {
-		namespace: 'slider-',     // String: prefix string attached to the class of every element generated by the plugin.
-		selector: '.slides > li', // String: selector, must match a simple pattern.
-		animationSpeed: 600,      // Integer: Set the speed of animations, in milliseconds.
-		controlsContainer: '',    // jQuery Object/Selector: container navigation to append elements.
-
-		// Text labels.
-		prevText: featuredSliderDefaults.prevText, // String: Set the text for the "previous" directionNav item.
-		nextText: featuredSliderDefaults.nextText  // String: Set the text for the "next" directionNav item.
-	};
-
-	// FeaturedSlider: plugin function.
-	$.fn.featuredslider = function( options ) {
-		if ( options === undefined ) {
-			options = {};
-		}
-
-		if ( typeof options === 'object' ) {
-			return this.each( function() {
-				var $this = $( this ),
-					selector = ( options.selector ) ? options.selector : '.slides > li',
-					$slides = $this.find( selector );
-
-			if ( $slides.length === 1 || $slides.length === 0 ) {
-					$slides.fadeIn( 400 );
-				} else if ( $this.data( 'featuredslider' ) === undefined ) {
-					new $.featuredslider( this, options );
-				}
-			} );
-		}
-	};
-} )( jQuery );